A Hector man and a Russellville woman were killed Saturday afternoon when their motorcycle collided with a pickup truck near Hector, Arkansas State Police said.

James S. Blalack, 39, of Hector and Deanna L. Riley, 39, of Russellville were riding on a Honda motorcycle on Arkansas 27 approximately 10 miles north of Hector, state police said.

The motorcycle collided with an oncoming pickup driven by Forrest V. Dawson, 54, of Little Rock. Blalock, who was not wearing a helmet, was pronounced dead at the scene, and Riley was transported to UAMS Hospital in Little Rock via emergency helicopter, where she later died, according to an Arkansas State Police report. Dawson was not injured.

The deaths bring to 506 the number killed on Arkansas roads this year, compared to 530 at this point last year.

To date, 23 people have died in automobile accidents on Pope, Yell and Johnson counties, compared with 26 through October 2002.